<?php
namespace app\common\helper;

/**
 * curl进行网络请求助手类
 */
class RequestByCurl {

    /**
     * 简单的curl请求
     * @param $url
     * @param null $data 注意如果data为空则为get请求，data存在则为post请求
     * @return mixed
     */
    public static function https_request($url, $data = null) {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        if (!empty($data)) {
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
    }
}